Englishfor English speakers
substitute
Noun
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A substitute is a person on standby for a sport team or school teacher.
Although he was only a substitute for the team, but he played very well during yesterday's match.
substitute
Verb
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If you substitute x for y, you don't use y and use x instead.
You may substitute fresh lime juice for lemon juice
food
Noun
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Food is what people and animals eat for nutrition or pleasure when they are hungry.
We grow our own food.
He eats many foods from other lands.
I'm going to get the children some food from the restaurant because they're hungry.